Waste-pipe fitting



May 27, 1930. A. N. PASMAN 1,760,659

WASTE PIPE FITTING Filed June 6. 19279 rgmz/V arman l ,f

Patented May 27, 1930 VuN-rran STATES PATENT ori-*lcs L ABRAM N. PASMAN, OF WATER-RUBY, CONNECTICUT, .ASSIGNOR TO SGOVLL MANU- FACTURING COMPANY, OF WATERBURY, CONNECTICUT, A CORPORATION OF CON- NECTICUT WASTE-PIPE FITTING Application led June 6, 1929 Serial No. 368,965.

My present invention relates to a waste pipe litting and more particularly. to that type of Waste pipe fitting especially adapted for use in connection with sinks and similar fixtures and in which, together' with a coupling. for connecting the sink to a waste pipe or drain,

there is provided a stopper movable within the coupling to and from seated and unseated positions with a strainer member associated with the stopper sov as to be movable therewith within the coupling, the stopper and strainer member preferably being entirely removable as a unit from .the coupling in order to empty the strainer member and to ade. quately yclean the same. I am aware that heretofore various types of waste pipe ittings of this character have been proposed whereby in the use thereof the stopper and strainer member may be moved toa position in which the stopper is seated in order, for-example, to retain water in the sink, causing the-sink to be usable as a dish pan or basin, and to move the stopper and strainer so that the stopper is unseated and the strainer and stopper are supported in a position in which the stopper is unseated, permitting the water to iow from the sink, or other fixture with which the iitting is associated, and at the same time retaining in the strainer member any particles of foreign matter which do not pass through the same.

In this type of device, however, so far as the same has come to my attention, the parts have been so constructed that it is necessary to set the stopper andstrainer in apredetermined position, or one of a number of predetermined positins, in orderl to effect the ,movement thereof to seat 1a-nd unseat the stopper and, moreover, to turnthe strainer member and stopper a predetermined portion of a revolution whenraised to the position in which the stopper is unseated, in order to sup-4 port the same in'this position. These structures, therefore, require more or less pre-r stopper and preferably a strainer member or dish, together with meanswhereby the stopper, or the stopper and strainer dish, are movable when inany revoluble position within the coupling to and from positions in which the stopper is seated and unseated and when unseated the stopper, or the stopper and strainer dish, are yieldingly supported.v Moreover, the strainer dish is revolubly'connected to the stopper and in the positioning of the parts in the coupling means are provided for centering the same and also for guiding the movements thereof to and fromv the seated and unseatedpositions. By this construction, ashereinafter more particularly described, the stopper member, together with the strainer dish, may be placed and operated in any revoluble position in the coupling and are revoluble relatively to each other, and this condition maintains whether these parts are in theposition in which the stopper is seated or unseated, thereby facili'- tating the manipulation of the parts of the apparatus when in use and also materially increasing the useful life thereof.

In the drawing Figure 1 is a plan of a sink drain' fitting made in accordance with my invention, ff Fig. 2 is a central longitudinal section taken on line 24-2, Fig. 1 showing the stopper in an unseated position,

'Figure 3 is a view similar to Fig. 2 showing the stopper in its seated position,

.Fig 4 is an elevationv of the body of the stopper, viewing the same from a position at right angles to and Fig. 5 is a plan of the stopper member.

that shown in' Figs. 2 and 3,

Referring to the drawings the waste pipe fitting made in accordance with this invention is constructed to include a coupling 10. which ris preferably Icup shaped and at its upper or outer end is provided with a flaring ange 11 adapted to be received in a recess provided therefor in the wall of a sink, basin, or similar fixture, indicated at 12. The coupling is secured in position in the wall of the sink by means of a clamp nut 13 and an intervening gasket 14. The inner or reducedlower end 15 0f .the coupling is' Constructed. te be Connected lOO to a waste or drain pipe 16 by a clamp nut 17 and an intervening gasket 18, or otherwise.

In the reduced end of the Icoupling there is a transverse bar 19 preferably made integral therewith and in which there is mounted a post 20. This post 20 functions as a centering post, a guide post and a support post, as will hereinafter appeal'. The upper end of this post- 20 is provided with a head which is slightly flaring, as indicated at 21.

-Interiorly the reduced portion of the coupling is provided with a stopper seat 22 below which and between the same and the cross bar 19 this end of the coupling is formed interiorly to include a shoulder 23 adapted to receive, seat and support an inner strainer plate 24. Interiorly in the outer portion of the larger end of'the coupling there is also a shoulder indicated at 25.

Associated with the coupling there is a stopper or plug member 26. The lower peripheral portion of the stopper 26 is provided with a beveled face 27 adapted to fit against the stopper seat 22. The body of the stopper .is made to include a central longitudinally disposed opening 28 which extends through the stopper body-and into the stem 29 thereof. The diameter of the opening 28 is substantially the same as that of the enlarged end of the head 21 of the post 20. The extremity of the stem is of reduced diameter, as indicated at 30 and between the end of the stem and the main portion thereof there are shoulders indicated at 31 and 32. In oppositely disposed positions in the upper portion of the body of the stopper there are radially disposed ribs 33 and 34. In the rib 33 there is a bore 35 having at the inner end thereof a bearing for a ball 36. Lying within the bore there is a spring 37 which extends between the ball 36 and a plug 38 adapted to be turned down in the tapped outer end of the bore to adjust the tension of the spring and consequently to correspondingly vary the pressure with which the ball 36 is normally maintained against its seat. When seated, as indicatedy in Figs. 2 and 3, a portion of the ball protrudes into the opening 28. In a similar manner the rib 34 is provided with'a bore 39 at the inner end of which there is a seat for a ball 40. Lying within the bore there is a spring 41 extending between the ball and the lnner end of a plug 42. The plug 42 may be adjusted to position in the tapped outer end of the bore 39 in order to vary the tension on the spring and consequently to correspondingly vary the pressure with which the ball is normally maintained against its seat. This ball 40 extends into the openingr 28 in the same manner and to the same extent as the ball 36.

Associated with the stopper there is a strainer member 43. This strainer member is preferably dish or cup shaped and at its outer to retain foreign matter which may be in the liquid and of sufficient size not to pass through the apertures therein. In the bottom wall of the strainer dish there is an opening of substantially the same diameter as that of the shoulder 31, whereby the shoulder 3l is adapted to pass through this opening and the bottom wall of the strainer dish to normally rest upon the shoulder 32. It is to be noted that the thickness of the bottom wall of the strainer dish isappreciably smaller than the distance between' the shoulders 3 1 and 32.

The apparatus furthermore includes a lift stem 45. One end of this lift stem is referably enlarged, as indicated at 46 to orm a head therefor, while in the opposite end of the lift stem there is a tapped opening for the reception of the reduced screw threaded end or extremity 30 of the stem 29 of the stopper member. The lift stem is adapted, therefore, to be screwed down on this reduced end of the `stopper member and when in place to bear against the shoulder 31. In order to lock the lift stem in position I may employ a screw 47. This screw passesthrough the bore provided therefor 'in the reduced end 30 of the stem -of the stopper and is adapted to -be turned down in a tapped portion of the lift stem 45, with the head of the screw 47 lying against the face or wall defining the inner end of the opening 28 in the stopper.

In the device as hereinbefore described the strainer dish is revolubly connected to the stopper and maintained in position between the same and the lift stem. As clearly illustrated there is also a slight longitudinal movement made possible between the strainer dish and the stopper because, as herem'before described,'tl1e thickness of the bottom wall of the strainer dish is slightly less than the distance between the shoulder 32 on the stem of the stopper and the inner or lower end of the lift stem 45. The stopper and the strainer dish are completely removable from the coupling for the purpose of emptying the strainer dish and cleaning the same, or for lother purposes, and when removed the plate 24 functions as a strainer in the use of a sink or basin, or other fixture in which the ittlng is employed. The stopper and the strainer dish associated therewith may be placed 1n the coupling and in doing so the head of the post 21 enters the opening 28 in the stopper member and functions to center the same. Normally the head of the post 20 enters this opening until it comes into contact with the -balls 36 and 40, which function as al support Fig. 2, the stopper is appreciably removed from its seat and the flared rim or lip portion 44 of the strainer dish lies within the upper portion of the coupling, thereby permitting Water to fiow into and through the strainer dish and around the stopper to the waste pipe 16, the strainer disk retaining therein particles of foreign matter which may be contained in the water and the strainer plate 24.

preventing any particles which may pass through the strainer dish from passing to the waste pipe. The stopper may be seated by position of the strainer dish merely forcing the 'same downwardly or inwardly, causing the balls 36 and t0 to recede from their normal positions against the action of the springs 37 and 41 to permit the y head 21 of the post 2O to pass further into the opening 28. Atthe same time the head end of the post 20 functions as a guide for directing the stopper to its seat. The seated posi- .tion of the stopper and the corresponding are indicated in Fig. 3. In this position the Iopening to the Waste pipe is closed and the sink or other fixture may be filled with water-to a desired eX- tent and employed as a dish pan, or basin, or f otherwise.

It will now be apparent that in the con' struction of the waste pipe fitting as described the stopper member and the strainersociated therewith may be moved to the posi- -tion in which the stopper is seated. Furthermore, the stopper as Well as the strainer dish are revoluble relatively one to the other in either the seated position of the stopper, or

the unseated position thereof, or in any in-v terniediate position. By this construction,

therefore, it isunnecessary to place the stopper and its strainerdish in any particular position in the coupling, or t-o set these parts in any particular position to move the same to a position in which the stopper is seated or unseated Which makes it possible to seat the stopper in any revoluble position thereof relatively to the coupling, thereby increasing the useful life of the stopper. Itis also possible, if necessary. to turn the stopper when the same is seated to cause it to seat more tightly, for example, by crushing or grinding particles of matter which may adhere to the tapered face of the stopper, or to its seat, or for. other purposes. Moreover, when the stopper is seated it is possible, if necessary, to turn the strainer dish to any desired posit-ion relatively to the stopper and within the coupling. The peripheral portion 44 of the strainer dish being bent, or otherwise put out of shape in the use thereof. It will be furthermore understood that the construction of the apparatus as herein illustrated and described is illustr'ative of what I now consider the preferred form thereof, but that this may be varied to employ equivalent constructions without departing from the nature and spirit of the invention.

I claim as myinvention:

1. In a waste pipe fitting, a coupling, a' stopper member adapted to seat. within the coupling, a strainer dish mounted to turn freelyon the stopper member, and means for yieldingly supporting the stopper member and strainer dish with the stopper memberin an unseated position, the said stopper member and strainer dish being revoluble independently ofv one another to any position in from the coupling.

2. In a. waste pipe fitting, a coupling, a stopper movable within the coupling to and rom seated and unseated positions. a strainer dish, said stopper'and strainer dish being connected to turn freely relatively to one another and to the coupling when in any position for use, and means for guiding the said stopper and strainer dish to and from the seated and unseated positions of thestopper and yieldingly supporting the stop-v per and strainer dish when the stopper is in` its unseated position, the stopper and strainer dish beingremovable as a unit-from the said coupling.

3. In a waste pipe fitting, a coupling, a stopper movable within the coupling to and from seated and unseated positions, a strainer dish, said stopper and strainer dish being mounted to turn freely relatively to one al1- other and to the coupling when in any position for use, and means for'l centering the said stopper and strainer dish within -the coupling, for guiding the said stopper and the strainer dish to and from the seated and unseated positions of the stopper. and for yieldingly supporting the stopper and strainer dish when the stopper is inits unseated position. i

4. In a Waste pipe fitting, a coupling, a stopper, a strainer dish, the said stopper and strainer dish being movable within the coupling to and from positions in which the stopper is seated and unseated, and being connected to turn freely relatively Leone another and to the coupling when in any position for use, and means for yieldingly supporting the -stopper and strainer dish when the stopper is in its unseated'positon.

5. In a waste pipe fitting, a coupling, a stopper, a strainer dish, a lift stem connected to the stopper and adapted to continuously maintain the strainer dish in association therewith, and means for locking the lift stem in position on the stopper, the said stopper, strainer dish andlift stem'being entirely removable as a unit from the said coupling.

6. In a Waste pipe fitting, a coupling, a stopper, a strainer dish revoluble on the stopper, a lift stem connected to the stopper with a portion of t-he strainer dish intermediate between the same and the stopper, and means for locking the lift stem to the said stopper, the said stopper, strainer dish and lift stem being movable within the stopper to and from positions in which the stopper is seated and unseated and also being entirely removable as a unit from the said coupling.

7. In a waste pipe fitting, a coupling, a stopper, a strainer dish revoluble on the stopper, a lift stem connected to the stopper with a portion of the strainer dish intermediate between the same'and the stopper, and a lock screw passing through a portion of the stopper and into the said lift stem for locking the left stem to the said stopper, the said stopper, strainer dish and lift stem being movable within the stopper to positions in which the stopper is seated and unseated and also being entirely removable as a unit from, the said coupling.

8. In a Waste pipe fitting, a cup shaped coupling having a stopper seat in the inner portion thereof, a post mounted in a centrally disposed position in the inner end of the coupling, a stopper, and means carried bythe stopper for yieldingly supporting the same from the outer end of the post when in an unseated position. i

9. In a Waste pipe fitting, a cup shaped coupling having a stopper seat interiorly in the inner portion thereof, a post mounted to extend longitudinally in a centrally disposed position in the inner portion of the coupling, a stopper adapted to bear against the said stopper seat when in one position, and yieldingly mounted members carried by the said stopper and adapted to engage the end of the said post to yieldingly maintain the. stopper in an unseated position within the said coupling.

10. In a Waste pipe fitting, a cup shaped coupling having a stopper seat interior-ly in the inner portion thereof, a post mounted to extend longitudinally in a centrally disposed position in the inner portion of the coupling, a. stopper adapted to bear against the said stopper seat when in one position, the said stopper having a centrally disposed opening adapted to receive the saidpost and also having radially disposed bores, a ball at the inner end of each of the said bores in the stopper, and adjustable means for yieldingly maintaining the said balls in a position in which they protrude intothe opening in the stopper to contact with the end of the post to yieldingly maintain the stopper in an unseated position within the said coupling.

11. In a waste pipe tting, acup shaped coupling having a stopper seat interiorly in the inner portionithereof, a post mounted to extend longitudinally in a centrally disposed position in the inner portion of the coupling, a stopper adapted to bear against the said stopper seat when in one position, the said stopper having a centrally disposed opening adapted to receive the said post and also having radially disposed bores, a ball at the inner end of each of the said'bores in the stopper, and a spring and plug in each of the said bores in the stopper for yieldingly and adjustably maintainin the said balls-in normal positions in which t ey project into the said opening in the stopper whereby the balls are adapted to engage the end'of the said post to yieldingly maintain the stopper in an unseated position Within the coupling, the said post operating in the opening in the stopper thereby functioning as a means for centering the stopper and guiding the same in the movements thereof to and from its seated and unseated positions.

12. In a Waste pipe fitting, a cup shaped coupling having a stopper seat in the inner portion thereof, a post mounted in a centrally disposed position in the inner end of the coupling, a stopper, a strainer dish revolubly connected to the stopper and having a slight longitudinal movement relatively thereto, and means carried by the stopper for yieldingly supporting the same and the strainer dish on the outer end of the post when the stopper is in an unseated position.

13. Ina waste pipe fitting, a cup shaped coupling having a stopper seat interiorly at the inner end thereof, a post mounted to eX- tend longitudinally'in a centrally disposed position in the inner portion ofthe coupling, a stopper adapted to bear against the stopper seat when in one position, a strainer dish revolubly connected to the stopper, and yieldingly mounted members carried by the stopper and adapted to engage the end of the said post to yieldingly maintain thestopper and the strainer dish in a position in which the stopper is unseated.

14. In a waste pipe fitting, a cup coupling having a stopper-seat interiorly adjacent the inner end thereof, a post mounted to extend longitudinally in a centrally disposed position in the inner portion of the. coupling, a stopper adapted to bear against the stopper seat when in one position, the said stopper having a centrally disposed opening therein adapted to receive the said post and also having radially disposed bores, a. strainer dish revolubly connected to the stopper, a ball at the inner end of each of the said bores in the stopper, and adjustable means for yieldingly maintaining the said balls in a position in which they protrude into the opening in the stopper to Contact With the upper end of the post to yieldingly maintain the said stopper and the strainer dish in a position in which the stopper is unseated.

15. In a Waste pipe fitting, a cup shaped coupling having a stopper seat interiorly in the inner portion thereof, a post mounted to extend longitudinally in a centrally disposed position in the inner portion of the coupling, a stopper adapted to bear against the said stopper seat when in one position, the stopper having a centrally disposed opening adapted to receive the said post and also having radially disposed bores, a strainer dish revolubly connected to the said stopper, 'a ball at the inner end of each of the said bores in the stopper, a spring and plug in each of the said boresin the stopper for yieldingly and adjustably maintaining the said balls in normal .positions in which they project into the said opening in the stopper whereby the balls are adapted to engage the end of the said post to yieldingly maintain the stopper and the strainer dish in a position in which the stopper-is unseated, the said post operating in an opening in the stopper, thereby functioning as a means for centering the stopper and guiding the same in the movements thereof to and from its seated and unseated positions.

16. In a Waste pipe tting, a coupling, a

stopper movable Within the coupling to and from seated and unseated positions, and a strainer dish revolubly mounted on and movable with the stopper Within the coupling7 whereby said stopper and strainer dish are adapted to turn freely relatively to one another and to the coupling when in any position Within the coupling,and are removable as a unit from the coupling.

17. In a Waste pipe fitting, a coupling, a stopper movable Within the coupling to and from seated and unseated positions, a strainer dish mounted to turn on the said stopper, the said stopper and strainer dish being adapted thereby to turn freely relatively one to another and to the coupling when in any position for use, and means for yieldingly supporting the stopper and strainer dish when the stopper is in an unseated position, the said stopper and strainer dish being removable as a unit from the said coupling.

Signed by me this 27th day of May, 1929.

ABRAM N. PASMAN. 

